<!DOCTYPE html>
<html lang="en" xmlns:v-bind="http://www.w3.org/1999/xhtml" xmlns:v-on="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- 开发环境版本，包含了用帮助的命令行警告 -->
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<form enctype="multipart/form-data" method="post" action="/dt/upload">
    图片<input type="file" name="file"/>
    <input type="submit" value="上传"/>
</form>
<div id="app">
    {{ message }}
</div>
<div id="app-2">
  <span v-bind:title="message">
       鼠标悬停几秒钟查看此处动态绑定的提示信息！
  </span>
</div>
1212313213================================
<div id="app-3">
    <p v-if="seen">现在你看到我了</p>
</div>
<div id="app-4">
    <ol>
        <li v-for="todo in todos">
            {{ todo.text }}
        </li>
    </ol>
</div>
<div id="app-5">
    <p>{{ message }}</p>
    <button v-on:click="reverseMessage">逆转消息</button>
</div>
<div id="app-6">
    <p>{{ message }}</p>
    <input v-model="message">
</div>
<div>
    <ol>
        <!-- 创建一个 todo-item 组件的实例 -->
        <todo-item></todo-item>
    </ol>
</div>
<script type="application/javascript" >
    var app = new Vue({
        el: '#app',
        data: {
            message: "Hello Vue! I am comming "
        }
    })
    var app2 = new Vue({
        el: '#app-2',
        data: {
            message: '页面加载于 ' + new Date().toLocaleString()
        }
    })
    var app3 = new Vue({
        el:"#app-3",
        data:{
            seen : true
        }
    })
    var app4 = new Vue({
        el: '#app-4',
        data: {
            todos: [
                { text: '学习 JavaScript' },
                { text: '学习 Vue' },
                { text: '整个牛项目' }
            ]
        }
    })
    var app5 = new Vue({
        el: '#app-5',
        data: {
            message: 'Helle zhoaodongchao!'
        },
        methods: {
            reverseMessage: function () {
                this.message = this.message.split('').reverse().join('')
            }
        }
    })
    var app6 = new Vue({
        el: '#app-6',
        data: {
            message: 'Hello Vue!'
        }
    })
    // 定义名为 todo-item 的新组件
    Vue.component('todo-item', {
        template: '<li>这是个待办项</li>'
    })
</script>
</body>
</html>